@misc{misc43946028,
title   = {Preparation on a set novel supramolecular species that combine the classical bipyridine derivatives and biphosphines with the coordinated molecular squares},
author = {Santiago, M O and Batista, A. A. and Queiroz, Salete Linhares and Castellano, Eduardo Ernesto and Ellena, Javier},
year = {2001},
booktitle   = {International Congress on Chemistry}
}